New neuroimaging research shows that when sleep-deprived people lose focus, the brain briefly shifts toward sleep-like physiology, offering fresh insight into why cognitive performance declines ...

Still, sometimes sleep suffers. I’m well-aware of what the research says that can entail—health risks and effects on productivity and memory. The idea is that sleep is when the brain has a chance to ...

Scientists have new insight into why we have trouble focusing after a bad night of sleep. Attention lapses when we’re sleep-deprived result from our brain’s efforts to clean itself up, a process that ...

Chronic sleep disruption doesn't just leave people tired and irritable. It may quietly undermine the gut's ability to repair itself, increasing vulnerability to serious digestive diseases. A new study ...

Sleep loss damages the fatty insulation protecting the nerve cells in our brain, according to a paper published in the journal Proceedings of the National Academy of Sciences. The research also ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? When study participants took an attention test while sleep-deprived, their ...

Free-solo climber Alex Honnold is set to livestream a ropeless climb up one of the world’s tallest skyscrapers this weekend, a stunt that has renewed attention on the decade-old brain scans that ...

When you’re short on sleep and your focus suddenly drifts, your brain may be briefly slipping into cleanup mode. Scientists discovered that these attention lapses coincide with waves of fluid washing ...

If you find it hard to focus after a wakeful night, it’s because your brain is busy trying to catch up on crucial housekeeping. Nearly everyone has experienced it—after a night of poor sleep, your ...

Sleep apnea affects an estimated 80 million adults in the U.S., yet it remains one of the country’s most underdiagnosed health conditions. Research suggests that up to four in five people with sleep ...

Research shows that people who sleep poorly tend to have brain age that is older than their actual age. Chronic inflammation in the body caused by poor sleep likely plays a part. "Our findings provide ...

Neuroscientists studying the shifts between sleep and awareness are finding many liminal states, which could help explain the disorders that can result when sleep transitions go wrong Yasemin ...